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4cbadde144
Follow the HTML specification and reject the pending image decode promises on any current request mutation. https://html.spec.whatwg.org/multipage/#updating-the-image-data (step 18) https://html.spec.whatwg.org/multipage/#dom-img-decode (step 3) Fulfill and reject image decode promises by queueing a global tasks on the DOM manipulation task source. Testing: Improvements in the following tests - html/semantics/embedded-content/the-img-element/decode/* Signed-off-by: Andrei Volykhin <andrei.volykhin@gmail.com>
105 lines
3.2 KiB
Rust
105 lines
3.2 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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use js::error::throw_type_error;
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use js::jsapi::JS_IsExceptionPending;
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use crate::codegen::PrototypeList::proto_id_to_name;
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use crate::script_runtime::JSContext as SafeJSContext;
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/// DOM exceptions that can be thrown by a native DOM method.
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/// <https://webidl.spec.whatwg.org/#dfn-error-names-table>
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#[derive(Clone, Debug, MallocSizeOf)]
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pub enum Error {
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/// IndexSizeError DOMException
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IndexSize,
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/// NotFoundError DOMException
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NotFound,
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/// HierarchyRequestError DOMException
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HierarchyRequest,
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/// WrongDocumentError DOMException
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WrongDocument,
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/// InvalidCharacterError DOMException
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InvalidCharacter,
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/// NotSupportedError DOMException
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NotSupported,
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/// InUseAttributeError DOMException
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InUseAttribute,
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/// InvalidStateError DOMException
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InvalidState,
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/// SyntaxError DOMException
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Syntax,
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/// NamespaceError DOMException
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Namespace,
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/// InvalidAccessError DOMException
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InvalidAccess,
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/// SecurityError DOMException
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Security,
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/// NetworkError DOMException
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Network,
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/// AbortError DOMException
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Abort,
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/// TimeoutError DOMException
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Timeout,
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/// InvalidNodeTypeError DOMException
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InvalidNodeType,
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/// DataCloneError DOMException
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DataClone(Option<String>),
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/// TransactionInactiveError DOMException
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TransactionInactive,
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/// ReadOnlyError DOMException
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ReadOnly,
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/// VersionError DOMException
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Version,
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/// NoModificationAllowedError DOMException
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NoModificationAllowed,
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/// QuotaExceededError DOMException
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QuotaExceeded,
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/// TypeMismatchError DOMException
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TypeMismatch,
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/// InvalidModificationError DOMException
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InvalidModification,
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/// NotReadableError DOMException
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NotReadable,
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/// DataError DOMException
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Data,
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/// OperationError DOMException
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Operation,
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/// NotAllowedError DOMException
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NotAllowed,
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/// EncodingError DOMException
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Encoding,
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/// TypeError JavaScript Error
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Type(String),
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/// RangeError JavaScript Error
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Range(String),
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/// A JavaScript exception is already pending.
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JSFailed,
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}
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/// The return type for IDL operations that can throw DOM exceptions.
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pub type Fallible<T> = Result<T, Error>;
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/// The return type for IDL operations that can throw DOM exceptions and
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/// return `()`.
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pub type ErrorResult = Fallible<()>;
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/// Throw an exception to signal that a `JSObject` can not be converted to a
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/// given DOM type.
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pub fn throw_invalid_this(cx: SafeJSContext, proto_id: u16) {
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debug_assert!(unsafe { !JS_IsExceptionPending(*cx) });
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let error = format!(
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"\"this\" object does not implement interface {}.",
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proto_id_to_name(proto_id)
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);
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unsafe { throw_type_error(*cx, &error) };
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}
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pub fn throw_constructor_without_new(cx: SafeJSContext, name: &str) {
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debug_assert!(unsafe { !JS_IsExceptionPending(*cx) });
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let error = format!("{} constructor: 'new' is required", name);
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unsafe { throw_type_error(*cx, &error) };
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}
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